SUSE-SU-2026:4279-1

SUSE-SU-2026:4279-1 · Security update for the Linux Kernel

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2023-53109: net: tunnels: annotate lockless accesses to dev->needed_headroom (bsc#1242405 bsc#1275784). - CVE-2024-57841: net: fix memory leak in tcp_conn_request() (bsc#1235944). - CVE-2026-53260: tcp: Add preempt_{disable,enable}_nested() in reqsk_queue_hash_req() (bsc#1269731). - CVE-2026-23451: bonding: prevent potential infinite loop in bond_header_parse() (bsc#1261604). - CVE-2026-31502: team: fix header_ops type confusion with non-Ethernet ports (bsc#1263072). - CVE-2026-43456: bonding: fix type confusion in bond_setup_by_slave() (bsc#1264734). - CVE-2026-43502: net/rds: handle zerocopy send cleanup before the message is queued (bsc#1266008). - CVE-2026-45968: cpuidle: Skip governor when only one idle state is available (bsc#1267023). - CVE-2026-52910: bpf: Free reuseport cBPF prog after RCU grace period (bsc#1268659). - CVE-2026-52912: netfilter: nf_queue: hold bridge skb->dev while queued (bsc#1269000). - CVE-2026-52929: sctp: stream: fully roll back denied add-stream state (bsc#1269004). - CVE-2026-52977: futex: Prevent lockup in requeue-PI during signal/ timeout wakeup (bsc#1269242). - CVE-2026-53059: dm log: fix out-of-bounds write due to region_count overflow (bsc#1269655). - CVE-2026-53163: locking/rtmutex: Skip remove_waiter() when waiter is not enqueued (bsc#1269306). - CVE-2026-53264: net/sched: act_api: use RCU with deferred freeing for action lifecycle (bsc#1269238). - CVE-2026-53381: virtiofs: fix UAF on submount umount (bsc#1271830). - CVE-2026-63801: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (bsc#1272230). - CVE-2026-63823: keys: Pin request_key_auth payload in instantiate paths (bsc#1272182). - CVE-2026-63827: apparmor: fix use-after-free in rawdata dedup loop (bsc#1272179). - CVE-2026-63887: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (bsc#1272385). - CVE-2026-63888: scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (bsc#1272390). - CVE-2026-63920: ipv6: validate extension header length before copying to cmsg (bsc#1272877). - CVE-2026-63992: tunnels: do not assume transport header in iptunnel_pmtud_check_icmp() (bsc#1272868). - CVE-2026-64002: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table() (bsc#1273774). - CVE-2026-64007: netfilter: synproxy: refresh tcphdr after skb_ensure_writable (bsc#1273105). - CVE-2026-64010: nfc: llcp: Fix use-after-free race in nfc_llcp_recv_cc() (bsc#1273882). - CVE-2026-64011: nfc: llcp: Fix use-after-free in llcp_sock_release() (bsc#1273891). - CVE-2026-64015: security/keys: fix missed RCU read section on lookup (bsc#1273762). - CVE-2026-64047: net: tls: fix off-by-one in sg_chain entry count for wrapped sk_msg ring (bsc#1273060). - CVE-2026-64048: net/smc: reject CHID-0 ACCEPT that matches an empty ism_dev slot (bsc#1273484). - CVE-2026-64098: drm/virtio: use uninterruptible resv lock for plane updates (bsc#1273488). - CVE-2026-64109: af_unix: Peek the queue synchronized (bsc#1273748). - CVE-2026-64114: ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (bsc#1273742). - CVE-2026-64115: vsock/vmci: fix UAF when peer resets connection during handshake (bsc#1273745). - CVE-2026-64268: RDMA/siw: bound Read Response placement to the RREAD length (bsc#1273276). - CVE-2026-64304: crypto: qat - validate RSA CRT component lengths (bsc#1273944). - CVE-2026-64355: bpf: Reject fragmented frames in devmap (bsc#1273422). - CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device destruction (bsc#1274274). - CVE-2026-64450: tipc: fix out-of-bounds read in broadcast Gap ACK blocks (bsc#1273523). - CVE-2026-64481: ALSA: hda/cs35l41: Fix firmware load work teardown (bsc#1274547). - CVE-2026-64541: net/smc: fix UAF in smc_cdc_rx_handler() by pinning the socket (bsc#1273303). - CVE-2026-64543: tipc: fix use-after-free of the discoverer in tipc_disc_rcv() (bsc#1273311). - CVE-2026-64556: perf/core: Detach event groups during remove_on_exec (bsc#1273251). - CVE-2026-64562: KVM: nVMX: Hide shadow VMCS right after VMCLEAR (bsc#1273930). - CVE-2026-64563: rhashtable: clear stale iter->p on table restart (bsc#1273995). - CVE-2026-64572: ipv4: fib: free fib_alias with kfree_rcu() on insert error path (bsc#1274014). - CVE-2026-64581: xfrm: fix sk_dst_cache double-free in xfrm_user_policy() (bsc#1274041). - CVE-2026-64593: btrfs: do not trim a device which is not writeable (bsc#1274497). - CVE-2026-68121: pppoe: reload header pointer after dev_hard_header() (bsc#1274888). - CVE-2026-68136: net: gro: fix double aggregation of flush-marked skbs (bsc#1275474). - CVE-2026-68138: net/sched: serialize qdisc_rtab_list against concurrent get/put (bsc#1274941). - CVE-2026-68155: libceph: Reject monmaps advertising zero monitors (bsc#1275304). - CVE-2026-68158: libceph: Fix multiplication overflow in decode_new_up_state_weight() (bsc#1275307). - CVE-2026-68159: libceph: bound pg_{temp,upmap,upmap_items} length to CEPH_PG_MAX_SIZE (bsc#1275470). - CVE-2026-68160: ceph: fix pre-auth out-of-bounds read on snaptrace in ceph_handle_caps() (bsc#1275472). - CVE-2026-68202: ALSA: seq: close a re-opened queue timer in the destructor (bsc#1275161). - CVE-2026-68397: net/iucv: take a reference on the socket found in afiucv_hs_rcv() (bsc#1274898). - CVE-2026-68398: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF (bsc#1274908). - CVE-2026-68417: RDMA/siw: publish QP after initialization (bsc#1274696). - CVE-2026-68426: xfrm: fix stale skb->prev after async crypto steals a GSO segment (bsc#1274705). - CVE-2026-68480: x86/bugs: Make Safe-RET robust against interrupt injection (bsc#1274208). - CVE-2026-72020: ipvs: reset full ip_vs_seq structs in ip_vs_conn_new (bsc#1275506). - CVE-2026-72069: locking/rt: Fix the incorrect RCU protection in rt_spin_unlock() (bsc#1275528). - CVE-2026-72083: scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE (bsc#1275535). - CVE-2026-72084: scsi: target: core: Generate correct identifiers for PR OUT transport IDs (bsc#1275540). - CVE-2026-72123: can: bcm: defer rx_op deallocation to workqueue to fix thrtimer UAF (bsc#1277523). - CVE-2026-72135: tpm: Make the TPM character devices non-seekable (bsc#1277571). - CVE-2026-72164: ocfs2: avoid moving extents to occupied clusters (bsc#1277553). - CVE-2026-72251: netfilter: nf_nat_sip: reload possible stale data pointer (bsc#1275827). - CVE-2026-72288: KVM: arm64: vgic: Handle race between interrupt affinity change and LPI disabling (bsc#1275886). - CVE-2026-72289: KVM: arm64: vgic: Check the interrupt is still ours before migrating it (bsc#1275905). - CVE-2026-72323: ipv4: igmp: Fix potential UAF in igmp_gq_start_timer() (bsc#1275985). - CVE-2026-72339: qede: fix off-by-one in BD ring consumption on build_skb failure (bsc#1276006). - CVE-2026-72389: bridge: stp: Fix a potential use-after-free when deleting a bridge (bsc#1273869). - CVE-2026-74345: RDMA/siw: Fix endpoint/socket association handling (bsc#1277285). - CVE-2026-74377: RDMA/rxe: Copy WQE to local buffer in non-SRQ receive path (bsc#1278236). - CVE-2026-74378: RDMA/rxe: Fix TOCTOU heap overflow in get_srq_wqe (bsc#1278233). - CVE-2026-74388: ALSA: seq: oss: Fix UAF at handling events with embedded SysEx data (bsc#1278253). - CVE-2026-74390: RDMA/irdma: Fix out-of-bounds write in irdma_copy_user_pgaddrs (bsc#1278088). - CVE-2026-74394: RDMA/srpt: fix integer overflow in immediate data length check (bsc#1277408). - CVE-2026-74406: vxlan: Fix potential null-ptr-deref in vxlan_gro_prepare_receive() (bsc#1276395). - CVE-2026-74454: drm/vc4: Supply the overflow slot size in BPOS, not the whole bin BO (bsc#1277073). - CVE-2026-74488: wifi: mwifiex: use the subframe length when parsing A-MSDU TDLS frames (bsc#1276350). - CVE-2026-74496: fou: Fix use-after-free in fou_create() (bsc#1275867). - CVE-2026-74518: mm/h

Fix available

Published

2026-09-22T08:32:05Z

Updated

2026-09-23T09:15:06.101877069Z

Stack: system

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